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Commit whole Creative Zen Vision:M target tree + all related firmware/

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changes.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17241 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-04-24 20:08:28 +00:00
parent 46b4928611
commit 95167e0177
41 changed files with 2940 additions and 75 deletions
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23
firmware/target/arm/tms320dm320/spi-dm320.c
View file

@ -31,6 +31,7 @@
#define GIO_TS_ENABLE (1<<2)
#define GIO_RTC_ENABLE (1<<12)
#define GIO_BL_ENABLE (1<<13)
#define GIO_LCD_ENABLE (1<<5)
struct mutex spi_mtx;
@ -39,14 +40,21 @@ struct SPI_info {
volatile unsigned short *clrreg;
int bit;
};
#define reg(a) ((volatile unsigned short *)(PHY_IO_BASE+a))
struct SPI_info spi_targets[] =
{
#ifndef CREATIVE_ZVM
[SPI_target_TSC2100] = { &IO_GIO_BITCLR1, &IO_GIO_BITSET1, GIO_TS_ENABLE },
[SPI_target_RX5X348AB] = { &IO_GIO_BITSET0, &IO_GIO_BITCLR0, GIO_RTC_ENABLE },
[SPI_target_RX5X348AB] = { &IO_GIO_BITSET0, &IO_GIO_BITCLR0, GIO_RTC_ENABLE},
[SPI_target_BACKLIGHT] = { &IO_GIO_BITCLR1, &IO_GIO_BITSET1, GIO_BL_ENABLE },
#else
[SPI_target_LTV250QV] = { &IO_GIO_BITCLR2, &IO_GIO_BITSET2, GIO_LCD_ENABLE},
#endif
};
#define IO_SERIAL0_XMIT (0x100)
#define IO_SERIAL0_MODE_SCLK (1 << 10)
static void spi_disable_all_targets(void)
{
int i;
@ -70,7 +78,7 @@ int spi_block_transfer(enum SPI_target target,
IO_SERIAL0_TX_DATA = *tx_bytes++;
/* Wait until transfer finished */
while (IO_SERIAL0_RX_DATA & 0x100);
while (IO_SERIAL0_RX_DATA & IO_SERIAL0_XMIT);
}
while (rx_size--)
@ -80,7 +88,7 @@ int spi_block_transfer(enum SPI_target target,
/* Wait until transfer finished */
unsigned short data;
while ((data = IO_SERIAL0_RX_DATA) & 0x100);
while ((data = IO_SERIAL0_RX_DATA) & IO_SERIAL0_XMIT);
*rx_bytes++ = data & 0xff;
}
@ -95,14 +103,15 @@ void spi_init(void)
{
mutex_init(&spi_mtx);
/* Set SCLK idle level = 0 */
IO_SERIAL0_MODE |= 1<<10;
IO_SERIAL0_MODE |= IO_SERIAL0_MODE_SCLK;
/* Enable TX */
IO_SERIAL0_TX_ENABLE = 0x0001;
#ifndef CREATIVE_ZVM
/* Set GIO 18 to output for touch screen slave enable */
IO_GIO_DIR1 &= ~GIO_TS_ENABLE;
/* Set GIO 12 to output for rtc slave enable */
IO_GIO_DIR0 &= ~GIO_RTC_ENABLE;
#endif
spi_disable_all_targets(); /* make sure only one is ever enabled at a time */
}